var xmlHttp 
	function runMusicPlayer(trkId)
	{ 
		
		xmlHttp=GetXmlHttpObject() //create object for xmlhttp
	if (xmlHttp==null)
	{
		alert ("Browser does not support HTTP Request")
		return
	} 
		//firstFade.start();
		var url="run_music.php"
		url=url+"?trkId="+trkId+"&sid="+Math.random()//send the value by query string
		xmlHttp.onreadystatechange=ifstateChanged
		xmlHttp.open("GET",url,true)
		xmlHttp.send(null)
	}
	

	// function for change state
	function ifstateChanged() 
	{ 
		if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
		{ 
		//alert(xmlHttp.responseText);
		document.getElementById("runmusic").innerHTML=xmlHttp.responseText 
		} 
	} 

	//function to create xmlhttpobject
	function GetXmlHttpObject()
	{ 
		var objXMLHttp=null
		if (window.XMLHttpRequest)
		{
			objXMLHttp=new XMLHttpRequest()
		}
		else if (window.ActiveXObject)
		{
			objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP")
		}
		return objXMLHttp
	}